If I had bought UMC
If I had bought UMC
Dates within the last week use the minute candle — accurate to the minute of purchase.
Ready examples: $100 put into UMC
a week ago-12.2%$100 → $88
a month ago+1.8%$100 → $102
since our history starts, August 17, 2026+18.0%$100 → $118
Dates within the last week use the minute candle — accurate to the minute of purchase.
A year of buying UMC
Over the last 41 days UMC closed between $18.03 (August 20, 2026) and $26.26 (October 2, 2026). One hundred dollars put in at the low would be worth $128 today; at the high, $88. The current price $23.06 is above 26 of those 41 daily closes, so a purchase on a random day of that stretch would be in profit 63% of the time — fees aside.
Low of the stretch$18.03 · $100 → $128
High of the stretch$26.26 · $100 → $88
Share of profitable dates63% · 26/41
The same calculation for neighbouring instruments
Calculators for other instruments in the “company stock” category.